<%@ page language="java" contentType="text/html; charset=UTF-8"
         pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
    <title>第一个 JSP 程序</title>
</head>
<body>
sessionid: ${sessionId}
<br/>
port: ${port}

<form action="/login.do" method="post">
    账号：<input name="username" value="123"/><br/>
    密码：<input name="password" value="123"/><br/>
    <input type="submit" value="提交"/>
</form>

</body>
</html>